Publications by authors named "Mirang Lee"

: Carbohydrate antigen 19-9 (CA19-9) is used as a marker to predict recurrence and survival of patients with pancreatic ductal adenocarcinoma (PDAC). Recently, fecal elastase-1 (FE-1) has been shown to correlate with prognosis in patients with PDAC. : A total of 536 patients who underwent curative intent surgery between 2010 and 2019 were included in the study.

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Background: Thoracic epidural analgesia (TEA), once the standard for pain management in major abdominal operations, is associated with postoperative complications, making preperitoneal continuous wound infiltration (CWI) a promising alternative. This study aimed to compare the effectiveness of CWI and TEA in managing postoperative pain after open pancreatoduodenectomy.

Methods: In a single-centre, randomized, open-label non-inferiority trial, adult patients undergoing elective open pancreatoduodenectomy were assigned to either CWI or TEA for pain management.

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  • Robotic pancreatoduodenectomy (RAPD) is gaining popularity, accounting for over 50% of PD surgeries by 2020, due to its benefits compared to traditional open PD.
  • A study evaluated 1861 patients and found no significant difference in postoperative complications between RAPD and open PD, despite RAPD being performed on more complex cases.
  • Both RAPD and open PD have their roles in treatment, especially with the increased use of neoadjuvant chemotherapy and an aging population, highlighting the need to identify the best candidates for each approach.
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  • Minimally invasive pancreatoduodenectomy (MIPD) techniques, like robot-assisted (RAPD) and totally laparoscopic (TLPD) surgeries, are becoming more popular for treating pancreatic diseases.
  • A study comparing RAPD and TLPD found similar complication rates and survival outcomes, although RAPD was associated with shorter operation times and hospital stays.
  • The overall results suggest both methods are safe and effective, allowing surgeons to choose based on factors like technique preference, cost, and experience.
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  • Doctors are studying how to treat pancreatic cancer more effectively, especially when it involves nearby veins.
  • They looked at 113 patients who had surgery after treatment and found that keeping the veins intact during surgery had better results for the veins' health.
  • The study suggests that if doctors think they can completely remove the cancer, they might not need to remove the veins in some cases.
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species are one of the most important groups of seedling pathogens affecting soybean yield. In July 2023, eight soybean plants (cv. Daewon, V3 to V4 stage) that were wilted with browning at their lower stems were discovered in a field located in Suwon, Korea.

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Background: Pancreatic cancer is anatomically divided into pancreatic head and body/tail cancers, and some studies have reported differences in prognosis. However, whether this discrepancy is induced from the difference of tumor biology is hotly debated. Therefore, we aimed to evaluate the differences in clinical outcomes and tumor biology depending on the tumor location.

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Background: The connection between early postoperative fever and clinically relevant postoperative pancreatic fistula (CR-POPF) after pancreaticoduodenectomy remains unclear. This study aimed to investigate this association and assess the predictive value of early postoperative fever for CR-POPF.

Methods: This retrospective observational study included adult patients who underwent pancreaticoduodenectomy at a tertiary teaching hospital between 2007 and 2019.

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Objective: To determine the interobserver variability for complications of pancreatoduodenectomy as defined by the International Study Group for Pancreatic Surgery (ISGPS) and others.

Background: Good interobserver variability for the definitions of surgical complications is of major importance in comparing surgical outcomes between and within centers. However, data on interobserver variability for pancreatoduodenectomy-specific complications are lacking.

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Background: Advances in chemotherapy have led to increasing major vascular resection during pancreatectomy which has been contraindicated due to high morbidity. This study aimed to verify the safety and oncological outcomes of vascular resection during pancreatectomy in the era of neoadjuvant therapy.

Methods: Data from patients who underwent surgery for pancreatic cancer at Seoul National University Hospital between 2001 and 2021 were reviewed.

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Context: With advancements in long-term survival after pancreatectomy, postpancreatectomy diabetes has become a concern, and the risk factors are not yet established. Pancreatic islets are susceptible to ischemic damage, though there is a lack of clinical evidence regarding glycemic deterioration.

Objective: To investigate association between hypotension during pancreatectomy and development of postpancreatectomy diabetes.

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Phytopathogenic species causing root and stem rot diseases in susceptible soybean ( (L.) Merrill) are a major threat to soybean production worldwide. Several species have been reported to infect soybean plants in the Republic of Korea, including , , , and (Cho et al.

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species are widespread soilborne pathogens that can cause damping-off, root rot, and wilting in soybean [ (L.) Merrill], subsequently leading to significant yield suppression. Several spp.

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  • - This study examined how to best monitor branch-duct type intraductal papillary mucinous neoplasms (BD-IPMN) that haven't been surgically removed, focusing on surveillance frequency and when it can be safely stopped.
  • - It systematically reviewed available literature and found that cysts under 2 cm with no concerning features generally show low growth rates and minimal risk of becoming cancerous, allowing for a more relaxed approach to monitoring.
  • - The research suggests that patients with stable small cysts may not need as frequent surveillance and could potentially stop monitoring after 5 years, leading to better resource management in healthcare.
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Introduction: The applicability of neoadjuvant treatment (NAT) for resectable pancreatic ductal adenocarcinoma (PDAC) has arisen, however, high-level evidence is lacking. This study aimed to explore patient subgroups with high-risk resectable PDAC for selecting candidates who may benefit from NAT.

Methods: The 1132 patients with resectable or borderline resectable PDAC who underwent surgery between 2007 and 2021 were retrospectively reviewed.

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Background: This multicenter study aimed to compare the clinical outcomes of minimally invasive extended cholecystectomy (MI-EC) versus open EC (O-EC) for patients with gallbladder cancer (GBC).

Methods: Patients who underwent EC (cholecystectomy, wedge resection of the liver bed, and regional lymphadenectomy) for GBC between 2010 and 2020 in three centers were included in the study. The clinicopathological data were compared after propensity score matching.

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Importance: Despite the increasing prevalence of intraductal papillary mucinous neoplasm (IPMN), data on the growth and malignant conversion rates based on long-term surveillance cohorts are limited. Many international guidelines recommend surveillance for benign lesions, but the optimal interval and duration are unclear.

Objective: To determine the optimal surveillance protocol for IPMN and propose which patients may be exempted from surveillance.

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Purpose: In the era of minimally invasive surgery (MIS), robotic pancreatoduodenectomy (PD) is actively performed, and clinical fellows need to thoroughly prepare for MIS-PD during the training process. Although pancreaticojejunostomy (PJ) is a difficult anastomosis that requires repeated practice, there are obstacles preventing its practice that concerns patient safety and limited time in the actual operating room. This study evaluated the efficacy of simulation-based training of robotic duct-to-mucosa PJ using pancreatic and intestinal silicone models using a scoring system.

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  • An international study analyzed outcomes of distal pancreatectomy in patients with intraductal papillary mucinous neoplasm (IPMN), comparing those with splenectomy to those without.
  • Out of 700 patients, a significant portion underwent spleen-preserving procedures, which resulted in shorter surgery times, less blood loss, and shorter hospital stays.
  • While lymph node metastasis (LNM) was noted in 6.7% of patients, no notable difference in overall survival rates was found between spleen-preserving and spleen-removing surgeries for those without suspected malignancy.
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Background: Invasive carcinomas arising from premalignant lesions are currently staged by the same criteria as conventional pancreatic ductal adenocarcinoma.

Methods: Clinicopathologic information and survival data were extracted through a thorough search of histology codes from National Cancer Database (2006-2016). A total of 723 patients with invasive intraductal papillary mucinous neoplasm and mucinous cystic neoplasm were analyzed.

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Background: In this era of increasing neoadjuvant chemotherapy, methods for evaluating responses to neoadjuvant chemotherapy are still diverse among institutions. Additionally, the efficacy of adjuvant chemotherapy for patients undergoing neoadjuvant chemotherapy remains unclear. Therefore, this retrospective study was performed to evaluate the effectiveness of methods for assessing response to neoadjuvant chemotherapy and the need for adjuvant chemotherapy in treating patients with non-metastatic pancreatic ductal adenocarcinoma.

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Purpose: Although the concept of extrapancreatic extension (EPEx) was removed in the eighth edition of the American Joint Committee on Cancer pancreatic cancer staging system, several studies have supported the prognostic significance of EPEx. This study aimed to investigate the significance of EPEx in pancreatic ductal adenocarcinoma (PDAC) using the National Cancer Database (NCDB).

Methods: Data of patients who underwent resection for PDAC between 2006 and 2016 were extracted and analyzed from the NCDB.

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Background: Although attempts of local treatment for isolated liver recurrence in patients with pancreatic ductal adenocarcinoma (PDAC) have increased, the efficacy remains unclear. Therefore, we aimed to evaluate the effect of local treatment for recurrent liver lesions after pancreatectomy on the survival of patients with PDAC.

Methods: Patients who were diagnosed with isolated liver recurrence after pancreatectomy at a high-volume center were included.

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Article Synopsis
  • Laparoscopic cholecystectomy is a surgery for early gallbladder cancer, but advanced cases need more complicated procedures, which is why robotic extended cholecystectomy (REC) is being studied.
  • In a study, 125 patients were checked to compare REC and traditional open extended cholecystectomy (OEC) on recovery and survival rates.
  • Results showed that REC had less blood loss, shorter hospital stays, and less pain after surgery, but both types of surgery had similar long-term survival rates.
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